diff options
-rw-r--r-- | hw/acpi_piix4.c | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c index 519269a..320e045 100644 --- a/hw/acpi_piix4.c +++ b/hw/acpi_piix4.c @@ -28,6 +28,7 @@ #include "range.h" #include "ioport.h" #include "fw_cfg.h" +#include "exec-memory.h" //#define DEBUG @@ -55,7 +56,7 @@ struct pci_status { typedef struct PIIX4PMState { PCIDevice dev; - IORange ioport; + MemoryRegion io; ACPIREGS ar; APMState apm; @@ -109,10 +110,10 @@ static void pm_tmr_timer(ACPIREGS *ar) pm_update_sci(s); } -static void pm_ioport_write(IORange *ioport, uint64_t addr, unsigned width, - uint64_t val) +static void pm_ioport_write(void *opaque, hwaddr addr, uint64_t val, + unsigned width) { - PIIX4PMState *s = container_of(ioport, PIIX4PMState, ioport); + PIIX4PMState *s = opaque; if (width != 2) { PIIX4_DPRINTF("PM write port=0x%04x width=%d val=0x%08x\n", @@ -138,10 +139,9 @@ static void pm_ioport_write(IORange *ioport, uint64_t addr, unsigned width, (unsigned int)val); } -static void pm_ioport_read(IORange *ioport, uint64_t addr, unsigned width, - uint64_t *data) +static uint64_t pm_ioport_read(void *opaque, hwaddr addr, unsigned width) { - PIIX4PMState *s = container_of(ioport, PIIX4PMState, ioport); + PIIX4PMState *s = opaque; uint32_t val; switch(addr) { @@ -162,12 +162,17 @@ static void pm_ioport_read(IORange *ioport, uint64_t addr, unsigned width, break; } PIIX4_DPRINTF("PM readw port=0x%04x val=0x%04x\n", (unsigned int)addr, val); - *data = val; + return val; } -static const IORangeOps pm_iorange_ops = { +static const MemoryRegionOps pm_io_ops = { .read = pm_ioport_read, .write = pm_ioport_write, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .impl.min_access_size = 1, + .impl.max_access_size = 4, + .endianness = DEVICE_LITTLE_ENDIAN, }; static void apm_ctrl_changed(uint32_t val, void *arg) @@ -193,15 +198,13 @@ static void pm_io_space_update(PIIX4PMState *s) { uint32_t pm_io_base; - if (s->dev.config[0x80] & 1) { - pm_io_base = le32_to_cpu(*(uint32_t *)(s->dev.config + 0x40)); - pm_io_base &= 0xffc0; + pm_io_base = le32_to_cpu(*(uint32_t *)(s->dev.config + 0x40)); + pm_io_base &= 0xffc0; - /* XXX: need to improve memory and ioport allocation */ - PIIX4_DPRINTF("PM: mapping to 0x%x\n", pm_io_base); - iorange_init(&s->ioport, &pm_iorange_ops, pm_io_base, 64); - ioport_register(&s->ioport); - } + memory_region_transaction_begin(); + memory_region_set_enabled(&s->io, s->dev.config[0x80] & 1); + memory_region_set_address(&s->io, pm_io_base); + memory_region_transaction_commit(); } static void pm_write_config(PCIDevice *d, @@ -456,6 +459,10 @@ static int piix4_pm_initfn(PCIDevice *dev) register_ioport_write(s->smb_io_base, 64, 1, smb_ioport_writeb, &s->smb); register_ioport_read(s->smb_io_base, 64, 1, smb_ioport_readb, &s->smb); + memory_region_init_io(&s->io, &pm_io_ops, s, "piix4-pm", 64); + memory_region_set_enabled(&s->io, false); + memory_region_add_subregion(get_system_io(), 0, &s->io); + acpi_pm_tmr_init(&s->ar, pm_tmr_timer); acpi_gpe_init(&s->ar, GPE_LEN); |